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Introduction: Globally in 2024, 1 in 5 women aged 20–24 years worldwide had been married before the age of 18 years. One reason for this persistent prevalence of underage marriage may be the slow change in social norms relating to education levels and women's marriage age. However, we know little about how norms change, and whether they vary by socio-demographic characteristics. We aimed to investigate changes in social norms across generations in rural Maharashtra, India. Methods: To understand the status quo, we identified education levels and marriage ages typical of contemporary young adults in rural Maharashtra using the National Family Health Survey. To see if norms have shifted across generations, we analysed data on education and marriage age in 659 parent-adolescent dyads from the Pune Maternal Nutrition Study (PMNS) in rural Maharashtra. To ascertain if norms might shift in the future, we investigated adolescents' aspirations for their future hypothetical children's education and marriage, and classified adolescents as wanting (a) their children to decide themselves, (b) more education and later marriage age, or (c) the status quo. We assessed whether these aspirations differed by socio-demographic characteristics. Results: Compared to the status quo and PMNS adults, PMNS adolescents had substantially more education, and girls were marrying slightly later. About 70% of the adolescents wanted their children to themselves decide their schooling. The remainder of both sexes wanted their children to have the same education as them (15 years). Only 10% of adolescent girls and 14% of boys wanted their child to decide their own marriage age. Most adolescents wanted a later marriage age for their children than their own experience. Lower educated and early married girls aspired for greater education for their children. More educated boys aspired for later marriage for their children. Discussion: Education norms have changed by a larger magnitude than marriage age norms. Adolescents are already attaining their education aspirations, but aspire for later marriage of their children, more so for their hypothetical sons than daughters. Since senior household members remain influential in marriage decisions, it may take time before adolescents' aspirations for their children become a new norm. [ABSTRACT FROM AUTHOR]

Introduction: Maternal nutrition promotes maternal and child health. However, most interventions to address undernutrition are only implemented once pregnancy is known, and cannot address broader risk factors preceding conception. Poverty and socio-economic status are considered systemic risk factors, but both economic growth and cash transfers have had limited success improving undernutrition. Another generic risk factor is low human capital, referring to inadequate skills, knowledge and autonomy, and represented by traits such as low educational attainment and women's early marriage. Few studies have evaluated whether maternal human and socio-economic capital at conception are independently associated with maternal and offspring outcomes., Methods: Using data on 651 mother-child dyads from the prospective Pune Maternal Nutrition Study in rural India, composite markers were generated of "maternal human capital" using maternal marriage age and maternal and husband's education, and 'socio-economic capital' using household wealth and caste. Linear and logistic regression models investigated associations of maternal low/mid human capital, relative to high capital, with her own nutrition and offspring size at birth, postnatal growth, education, age at marriage and reproduction, and cardiometabolic risk at 18 years. Models controlled for socio-economic capital, maternal age and parity., Results: Independent of socio-economic capital, and relative to high maternal human capital, low human capital was associated with shorter maternal stature, lower adiposity and folate deficiency but higher vitamin B 12 status. In offspring, low maternal human capital was reflected in shorter gestation, smaller birth head girth, being breastfed for longer, poor postnatal growth, less schooling, lower fat mass and insulin secretion at 18 years. Daughters married and had children at an early age., Discussion: Separating maternal human and socio-economic capital is important for identifying the aspects which are most relevant for future interventions. Low maternal human capital, independent of socio-economic capital, was a systemic risk factor contributing to an intergenerational cycle of disadvantage, perpetuated through undernutrition, low education and daughters' early marriage and reproduction. Future interventions should target maternal and child human capital. Increasing education and delaying girls' marriage may lead to sustained intergenerational improvements across Sustainable Development Goals 1 to 5, relating to poverty, hunger, health, education and gender equality., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (© 2025 Marphatia, Wells, Reid, Bhalerao and Yajnik.)